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https://www.readbyqxmd.com/read/28054901/libman-sacks-endocarditis-with-unusual-large-size-vegetation-involving-the-mitral-valve
#1
Amjad Bani Hani, Mahmoud Abu-Abeeleh, Murad M Al Kharabsheh, Lubaba Qabba'ah
Antiphospholipid syndrome (APS) is an autoimmune hypercoagulable disorder characterized by thrombophilia, vascular thrombosis, and recurrent abortions associated with persistent antiphospholipid antibodies. APS may exist in its primary form, or more commonly is found to be associated with variety of rheumatic disorders, such as systemic lupus erythematosus. Cardiac involvement is not an uncommon complication in primary antiphospholipid patients. Libman-Sacks lesions are typically small, sessile, and wart-like, varying in size from 1-4 mm...
21, 2016: Heart Surgery Forum
https://www.readbyqxmd.com/read/28050648/diagnostic-value-of-antibodies-to-phosphatidylserine-prothrombin-complex-for-antiphospholipid-syndrome-in-chinese-patients
#2
Lei Zhu, Chun Li, Na Liu, Xin Yang, R L Jia, Rong Mu, Yin Su, Z G Li
To evaluate the diagnosis value of antibodies to phosphatidylserine/prothrombin complex (aPS/PT) in patients with antiphospholipid syndrome (APS) and to determine the clinical features of APS patients with avidity of aPS/PT. Serum samples were collected from 108 APS patients. Sixty patients with pregnancy morbidity, 37 patients with thrombosis without a history of autoimmune diseases, and 89 healthy blood donors were included as the control group. The enzyme-linked immunosorbent assay (ELISA) test was performed to detect the concentration of aPS/PT, including IgG/M, IgG, and IgM forms, in the same serum sample...
January 3, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28043063/investigation-of-neuronal-auto-antibodies-in-systemic-lupus-erythematosus-patients-with-epilepsy
#3
Zerrin Karaaslan, Esme Ekizoğlu, Pınar Tektürk, Ece Erdağ, Erdem Tüzün, Nerses Bebek, Candan Gürses, Betül Baykan
PURPOSE: Epilepsy is an important feature for neuropsychiatric involvement in systemic lupus erythematosus (SLE) with unknown mechanism. Our aim was to investigate the presence of neuronal auto-antibodies (NAbs) in neuropsychiatric SLE (NPSLE). METHODS: Eighteen SLE patients (17 females, 1 male) experiencing recurrent seizures were enrolled to this study. Their clinical characteristics, EEG and MRI findings and follow-up information were evaluated from their files...
December 14, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/28039062/familial-and-syndromic-lupus-share-the-same-phenotype-as-other-early-onset-forms-of-lupus
#4
Olivia Weill, Stéphane Decramer, Christophe Malcus, Behrouz Kassai, Isabelle Rouvet, Tiphanie Ginhoux, Yanick Crow, Fredéric Rieux-Laucat, Pauline Soulas-Sprauel, Anne Pagnier, Isabelle Koné-Paut, Maryam Piram, Caroline Galeotti, Charlotte Samaille, Héloïse Reumaux, Aurélia Lanteri, Sandrine Morell Dubois, Hélène Lefebvre, Stéphane Burtey, François Maurier, Aurélia Carbasse, Irène Lemelle, Ulrich Meinzer, Véronique Despert, Hugues Flodrops, Nicole Fabien, Bruno Ranchin, Eric Hachulla, Brigitte Bader Meunier, Alexandre Belot
OBJECTIVE: Studies of early-onset systemic lupus erythematosus (SLE) have identified monogenic forms of the disease. The primary objective of this study was to compare the clinical and laboratory features of the first patients included in the GENIAL/LUMUGENE cohort to those reported in previous publications. The secondary objective was to determine whether subgroups with a distinctive pattern of clinical and biological features are seen in predominantly genetic forms of SLE. METHODS: GENIAL/LUMUGENE is a French nationwide study of the clinical, immunological, and genetic features of juvenile-onset SLE (clinicaltrials...
December 27, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28032106/canine-visceral-leishmaniasis-in-wild-canines-fox-jackal-and-wolf-in-northeastern-iran-using-parasitological-serological-and-molecular-methods
#5
Mehdi Mohebali, Kourosh Arzamani, Zabiholah Zarei, Behnaz Akhoundi, Homa Hajjaran, Saber Raeghi, Zahra Heidari, Seyed Mousa Motavalli-Haghi, Samira Elikaee, Ahmad Mousazadeh-Mojarrad, Zahra Kakoei
BACKGROUND: Although many studies had been conducted on various aspects of canine visceral leishmaniasis (CVL) in domestic dogs in the endemic areas of Iran, investigations on CVL in wild canines are rare. METHODS: This is a cross-sectional study was conducted from December 2012 to 2013 in northeast of Iran where human VL is endemic. Wild canines were trapped around the areas where human VL cases had been previously identified. Wild canines were collected and examined both clinically and serologically using direct agglutination test (DAT)...
December 2016: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/28031441/modular-transcriptional-repertoire-analyses-identify-a-blood-neutrophil-signature-as-a-candidate-biomarker-for-lupus-nephritis
#6
Noémie Jourde-Chiche, Elizabeth Whalen, Bertrand Gondouin, Cate Speake, Vivian Gersuk, Bertrand Dussol, Stephane Burtey, Virginia Pascual, Damien Chaussabel, Laurent Chiche
OBJECTIVE: LN is a severe complication of SLE. Non-invasive biomarkers are needed for identifying patients at risk of a renal flare, for differentiating proliferative from non-proliferative forms and for assessing prognoses for LN. METHODS: We assessed the link between blood transcriptional signatures and LN using blood samples from patients with biopsy-proven LN, extra-renal SLE flares or quiescent SLE. Healthy controls, and control patients with glomerular diseases or bacterial sepsis were included...
December 27, 2016: Rheumatology
https://www.readbyqxmd.com/read/28029753/performance-of-the-promis-29-item-profile-in-rheumatoid-arthritis-osteoarthritis-fibromyalgia-and-systemic-lupus-erythematosus
#7
Patricia Katz, Sofia Pedro, Kaleb Michaud
BACKGROUND: The Patient-Reported Outcomes Measurement Information System (PROMIS®) was developed to improve measurement of patient-reported outcomes. We examined performance of the PROMIS-29 Profile (P29) in persons with rheumatoid arthritis (RA), osteoarthritis (OA), fibromyalgia (FM), and systemic lupus erythematosus (SLE). METHODS: Participants in the National Data Bank for Rheumatic Diseases completed the P29, which includes 4-item forms for seven PROMIS domains...
December 28, 2016: Arthritis Care & Research
https://www.readbyqxmd.com/read/28012697/the-host-defense-peptide-ll-37-a-possible-inducer-of-the-type-i-interferon-system-in-patients-with-polymyositis-and-dermatomyositis
#8
Xin Lu, Quan Tang, Monica Lindh, Maryam Dastmalchi, Helene Alexanderson, Karin Popovic Silwerfeldt, Birgitta Agerberth, Ingrid E Lundberg, Cecilia Wick
The type I interferon (IFN) system has recently been suggested to play important and essential roles in the pathogenesis of myositis. However, a clarification of how type I IFNs could function as triggering factor(s) in the pathogenesis of myositis has yet failed. Through activation of the type I IFN system, the host defense peptide LL-37 carries numerous immunomodulatory properties and is implicated in the pathogenesis of several other autoimmune diseases, including systemic lupus erythematosus (SLE). The expression of LL-37 can be regulated by various endogenous factors including the active form of vitamin D (25(OH)D3)...
December 22, 2016: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28004651/autophagy-a-brief-overview-in-perspective-of-dermatology
#9
REVIEW
Rahul Nagar
Autophagy, literally meaning "self-eating," is an intracellular catabolic process of delivering cytosol and/or its specific content to the lysosomes for degradation.The resulting macromolecular constituents are recycled and utilized again by the cells. Basal level autophagy plays an important role in cellular homeostasis through the elimination of the old or damaged organelles, as well as aggregated intracellular proteins. Autophagy refers to sequestration of intact organelles along with a portion of cytosol, into a double-or multi-membrane structure known as phagophore, which elongates, and after closure, forms a vesicular structure known as the autophagosome...
December 20, 2016: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/27992535/cleaved-form-of-osteopontin-in-urine-as-a-clinical-marker-of-lupus-nephritis
#10
Koji Kitagori, Hajime Yoshifuji, Takuma Oku, Chiyomi Sasaki, Hitomi Miyata, Keita P Mori, Toshiki Nakajima, Koichiro Ohmura, Daisuke Kawabata, Naoichiro Yukawa, Yoshitaka Imura, Kosaku Murakami, Ran Nakashima, Takashi Usui, Takao Fujii, Kaoru Sakai, Motoko Yanagita, Yoshitaka Hirayama, Tsuneyo Mimori
We assessed the utility of two forms of osteopontin (OPN), OPN full and its cleaved form (OPN N-half), in plasma and urine as markers of disease activity in lupus nephritis (LN). Samples were collected from patients with systemic lupus erythematosus (SLE) (LN: N = 29, non-LN: N = 27), IgA nephropathy (IgAN) (N = 14), minimal change nephrotic syndrome (MCNS) (N = 5), diabetic nephropathy (DN) (N = 14) and healthy volunteers (HC) (N = 17). While there was no significant difference in urine OPN full concentration between groups, urine OPN N-half concentration was significantly higher in patients with LN than HC (p < 0...
2016: PloS One
https://www.readbyqxmd.com/read/27965669/complement-regulator-fhr-3-is-elevated-either-locally-or-systemically-in-a-selection-of-autoimmune-diseases
#11
Nicole Schäfer, Antje Grosche, Joerg Reinders, Stefanie M Hauck, Richard B Pouw, Taco W Kuijpers, Diana Wouters, Boris Ehrenstein, Volker Enzmann, Peter F Zipfel, Christine Skerka, Diana Pauly
The human complement factor H-related protein-3 (FHR-3) is a soluble regulator of the complement system. Homozygous cfhr3/1 deletion is a genetic risk factor for the autoimmune form of atypical hemolytic-uremic syndrome (aHUS), while also found to be protective in age-related macular degeneration (AMD). The precise function of FHR-3 remains to be fully characterized. We generated four mouse monoclonal antibodies (mAbs) for FHR-3 (RETC) without cross-reactivity to the complement factor H (FH)-family. These antibodies detected FHR-3 from human serum with a mean concentration of 1 μg/mL...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27927882/the-japanese-lupuspro-a-cross-cultural-validation-of-an-outcome-measure-for-lupus
#12
M Inoue, K Shiozawa, R Yoshihara, T Yamane, Y Shima, T Hirano, M Jolly, K Makimoto
OBJECTIVE: This study aimed to validate the Japanese version of the LupusPRO questionnaire for use with systemic lupus erythematosus patients. METHODS: Participants were 205 lupus patients recruited from three rheumatology centers in Japan. Demographic data were collected and quality of life was assessed using the LupusPRO and the Short Form Health Survey-12. Disease activity was evaluated by physicians using the Systemic Lupus Erythematosus Activity Index. Some participants completed questionnaires 10-14 days after the first survey...
December 6, 2016: Lupus
https://www.readbyqxmd.com/read/27921425/-oxldl-%C3%AE-2-glycoprotein-i-complex-as-a-pro-atherogenic-autoantigen-is-atherosclerosis-an-autoimmune-disease
#13
Pavel Kraml
Oxidation of atherogenic low-density lipoproteins (LDL) plays a key role in the pathogenesis of atherosclerosis. Oxidation stress and inflammation are closely interrelated and they can potentiate one another. In the subendothelial space of the arterial intima, monocytes/macrophages become activated and phagocyte oxidized LDL (oxLDL) via scavenger receptors. It has been demonstrated that oxLDL forms complex with plasma β2-glycoprotein I (β2GPI) and becomes autoantigenic triggering synthesis of specific antiphosholipid antibodies...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27921323/the-application-of-strand-invasion-phenomenon-directed-by-peptide-nucleic-acid-pna-and-single-stranded-dna-binding-protein-ssb-for-the-recognition-of-specific-sequences-of-human-endogenous-retroviral-herv-w-family
#14
Grzegorz Machnik, Łukasz Bułdak, Jarosław Ruczyński, Tomasz Gąsior, Małgorzata Huzarska, Dariusz Belowski, Magdalena Alenowicz, Piotr Mucha, Piotr Rekowski, Bogusław Okopień
The HERV-W family of human endogenous retroviruses represents a group of numerous sequences that show close similarity in genetic composition. It has been documented that some members of HERV-W-derived expression products are supposed to play significant role in humans' pathology, such as multiple sclerosis or schizophrenia. Other members of the family are necessary to orchestrate physiological processes (eg, ERVWE1 coding syncytin-1 that is engaged in syncytiotrophoblast formation). Therefore, an assay that would allow the recognition of particular form of HERV-W members is highly desirable...
December 6, 2016: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/27913462/pure-red-cell-aplasia
#15
Robert T Means
Pure red cell aplasia (PRCA) is a syndrome defined by a normocytic normochromic anemia with severe reticulocytopenia and marked reduction or absence of erythroid precursors from the bone marrow. Diamond-Blackfan anemia is a congenital form of PRCA. Acquired PRCA may be either a primary disorder or secondary to some other disorder or agent. Primary acquired PRCA is an autoimmune disorder that is frequently antibody-mediated. Myelodysplastic syndromes may also present with the morphologic appearance of PRCA. Secondary acquired PRCA may be associated with collagen vascular/autoimmune disorders such as systemic lupus erythematosus; lymphoproliferative disorders such as chronic lymphocytic leukemia or large granular lymphocyte leukemia; infections, particularly B19 parvovirus; thymoma and other solid tumors; or a variety of other disorders, drugs, or toxic agents...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27902603/purulent-lupus-panniculitis-unmasked-by-fdg-pet-ct-scan-a-case-report
#16
Kornelis S M van der Geest, Rada V Moerman, Klaas P Koopmans, Nicole D Holman, Wilbert M T Janssen
RATIONALE: Lupus panniculitis (LP) is a unique variant of cutaneous lupus erythematosus. Clinical manifestations are typically mild and include erythema, nodules, and small ulcers. In certain cases, diagnosing LP may be challenging. Skin overlying the typical subcutaneous inflammation may appear normal, and bacterial superinfections of the skin sometimes mask the underlying LP. It has been suggested that a computed tomography (CT) scan may help to identify obscure LP lesions. Here, we report a case of a 54-year-old woman with an unusually severe form of LP, in which the full disease extent was only revealed by a fluorodeoxyglucose positron emission tomography (FDG-PET)/CT scan...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27899525/reactive-oxygen-species-induce-virus-independent-mavs-oligomerization-in-systemic-lupus-erythematosus
#17
Iwona A Buskiewicz, Theresa Montgomery, Elizabeth C Yasewicz, Sally A Huber, Michael P Murphy, Richard C Hartley, Ryan Kelly, Mary K Crow, Andras Perl, Ralph C Budd, Andreas Koenig
The increased expression of genes induced by type I interferon (IFN) is characteristic of viral infections and systemic lupus erythematosus (SLE). We showed that mitochondrial antiviral signaling (MAVS) protein, which normally forms a complex with retinoic acid gene I (RIG-I)-like helicases during viral infection, was activated by oxidative stress independently of RIG-I helicases. We found that chemically generated oxidative stress stimulated the formation of MAVS oligomers, which led to mitochondrial hyperpolarization and decreased adenosine triphosphate production and spare respiratory capacity, responses that were not observed in similarly treated cells lacking MAVS...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27888486/a-slowly-growing-orange-patch-on-the-cheek-diagnosis-of-lupus-vulgaris-20-years-after-onset-of-first-skin-changes
#18
Claudia Pföhler, Michael Klotz, Thomas Wehler, Thomas Vogt, Cornelia S L Müller
Tuberculosis is a worldwide occurring disease that affects approximately 20-40% of the world's population and in particular in developing countries. However, in times of migration, industrialised countries are again being more and more affected. Cutaneous tuberculosis is rare and lupus vulgaris represents its most common form. Preferentially, young adults in developing or low-income countries are affected from cutaneous tuberculosis, which usually occurs in previously sensitized persons with a high degree of tuberculin sensitivity and a good immunoresponse...
November 25, 2016: Dermatology and Therapy
https://www.readbyqxmd.com/read/27884116/kidney-disease-in-the-elderly-biopsy-based-data-from-14-renal-centers-in-poland
#19
Agnieszka Perkowska-Ptasinska, Dominika Deborska-Materkowska, Artur Bartczak, Tomasz Stompor, Tomasz Liberek, Barbara Bullo-Piontecka, Anna Wasinska, Agnieszka Serwacka, Marian Klinger, Jolanta Chyl, Michal Kuriga, Robert Malecki, Krzysztof Marczewski, Bogdan Hryniewicz, Tadeusz Gregorczyk, Monika Wieliczko, Stanislaw Niemczyk, Olga Rostkowska, Leszek Paczek, Magdalena Durlik
BACKGROUND: Longer life expectancy is associated with an increasing prevalence of kidney disease. Aging itself may cause renal damage, but the spectrum of kidney disorders that affect elderly patients is diverse. Few studies, mostly form US, Asia and West Europe found differences in the prevalence of some types of kidney diseases between elderly and younger patients based on renal biopsy findings, with varied proportion between glomerulopathies and arterionephrosclerosis as a dominant injury found...
November 25, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27881371/pure-red-cell-aplasia
#20
REVIEW
Robert T Means
Pure red cell aplasia (PRCA) is a syndrome defined by a normocytic normochromic anemia with severe reticulocytopenia and marked reduction or absence of erythroid precursors from the bone marrow. Diamond-Blackfan anemia is a congenital form of PRCA. Acquired PRCA may be either a primary disorder or secondary to some other disorder or agent. Primary acquired PRCA is an autoimmune disorder that is frequently antibody-mediated. Myelodysplastic syndromes may also present with the morphologic appearance of PRCA. Secondary acquired PRCA may be associated with collagen vascular/autoimmune disorders such as systemic lupus erythematosus; lymphoproliferative disorders such as chronic lymphocytic leukemia or large granular lymphocyte leukemia; infections, particularly B19 parvovirus; thymoma and other solid tumors; or a variety of other disorders, drugs, or toxic agents...
November 24, 2016: Blood
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